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RPSC RAS 2021 · Question 95 of 139

In Stethoscope, the sound of the patient՚s heartbeat reaches the doctor՚s ears by -

General Studies

  1. AMultiple diffraction of sound
  2. BMultiple reflection of sound
  3. CPolarisation of sound
  4. DMultiple refraction of sound Previous Next Related Links RPSC RAS Prelims 2018 Official Paper Part : Part 1 to 3 All rights reserved. Examrace is a subsidiary of Mindsprite Solutions. By visiting this website you agree to our terms & conditions. Read our copyright policy , customer and visitor privacy policy , and return, refund and cancellation policy . For concerns or suggestions please contact us. Contact: 📞 +91-999-800-8851 (also WhatsApp & Signal), 📧 contactus@examrace.com. © Mindsprite Solutions 2008-2025. Please note that this website is best viewed on Microsoft Edge, Chrome version 80 and above, Firefox version 80 and above, and Safari version 14 and above for both Mac and iOS. Read more about Examrace or contact us . Maintained by Mindsprite Solutions . Examrace 📣 These subjects have been removed from RAS starting 2013. To get more information about the 2025 pattern please view latest notification in RPSC Notifications RPSC RAS Prelims 27 Oct 2021 Official Paper Part 3: Answers, Solutions, & Explanations at Exampyq. Com & Doorsteptutor. Com Previous IAS (Admin.) Prelims CSAT Paper 2 Coaching Programs 📹 Video Course 2025 (58 Lectures [23 🎓 Study Material (167 Notes): 2025- 🎯 hrs : 45 mins]): Offline Support 2026 Syllabus Exp Rs. 150.00 View & Get Complete Material Rs. 350.00 View & Get Complete Material Rs. Price Per Month, with 3/6/12-Month Discounts 3 Year ValidityCorrect

Answer: D. Multiple refraction of sound Previous Next Related Links RPSC RAS Prelims 2018 Official Paper Part : Part 1 to 3 All rights reserved. Examrace is a subsidiary of Mindsprite Solutions. By visiting thi…

Explanation

Official RPSC final answer key (2021): option 4.

Source: RPSC RAS/RTS Prelims 2021 Official Paper (27/10/2021), answers per official RPSC final answer key

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